roseberliebarthelemy roseberliebarthelemy

08-05-2020
Mathematics

contestada

The midpoint of AB is M(7,-2). If the coordinates of A are (8,3), what are the
coordinates of B?

Respuesta :

chudung1976 chudung1976

10-05-2020

Answer:

Step-by-step explanation:

We can find it like:

[tex]x_{B}= 2x_{M}- x_{A} = 2*7 - 8 = 14 - 8= 6\\ \\y_{B}= 2y_{M}- y_{A} = 2*(-2) - 3 = - 4 - 3= - 7[/tex]

The answer is B(6,-7).

Hope you understand.

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